Mine detail: Brow* Lake

Previously called 'IvanhoeLost Creek'

<< Back to the map

Location

Lat / long: 45.51657, -112.83422

Resource(M)

Primary: Tungsten
Ore: Chalcopyrite, Magnetite, Powellite, Scheelite
Gangue: Epidote, Garnet, Quartz
Discovery year: 1941

Production

Operation type: Unknown
Production size: None
Development status: Occurrence
First production started: 1953
Last production ended: 1958

Geology

Host type:Shale
Associated type:Granite
Structure:Contact Metamorphic Zone
Tectonic:Mesozoic-Cenozoic Orogenic Belt

References

MRDSSP00032
DEP10055833
Reference{Deposit:: PATTEE, E.C., 1960, TUNGSTEN RESOURCES OF MONTANA: DEPOSITS OF THE MOUNT TORREY BATHOLITH BEAVERHEAD COUNTY, U.S. BURAU OF MINES, REPORT OF INVESTIGATION 5552, 41P.. . MYERS, W.B., 1952, GEOLOGY AND MINERAL DEPOSITS OF THE NORTHWEST QUARTER OF WILLIS QUADRANGLE AND ADJACENT BROW* LAKE AREA; BEAVERHEAD COUNTY, MONTANA, U.S. GEOLOGICAL SURVEY, OPEN FILE REPORT, P. 18.. . GEACH, R.D., 1972, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), BEAVERHEAD COUNTY, MONTANA, MONTANA BUREAU OF MINES AND GEOLOGY, BULLETIN 85, 194 P}{Production:: INTERNATIONAL STRATEGIC MINERALS INVENTORY RECORD W109}
ReporterHobbs, Warren S.